208159420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47963}}^1$

素因数の和:48010

約数の個数: 48

約数和(自身を含む): 515708928

約数和(自身を除く): 307549508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 47963, 95926, 191852, 239815, 335741, 479630, 671482, 959260, 1342964, 1486853, 1678705, 2973706, 3357410, 5947412, 6714820, 7434265, 10407971, 14868530, 20815942, 29737060, 41631884, 52039855, 104079710, 208159420]

約数ペア:

[(1, 208159420), (2, 104079710), (4, 52039855), (5, 41631884), (7, 29737060), (10, 20815942), (14, 14868530), (20, 10407971), (28, 7434265), (31, 6714820), (35, 5947412), (62, 3357410), (70, 2973706), (124, 1678705), (140, 1486853), (155, 1342964), (217, 959260), (310, 671482), (434, 479630), (620, 335741), (868, 239815), (1085, 191852), (2170, 95926), (4340, 47963)]